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To bring this (sort of) on a SCUBA-related topic, I noticed that they have a PPO2 meter in there!

Yes. Been there, done that.

Actually, there is already a thread on that subject, but I don't have the link ATM.

In my limited experience, that's true when there is a group dive going on. People tend to watch the group as a whole, rather than a specific buddy, so if the group is larger than 4 or 5, it's easy not to notice right away that some one is missing.

Of course, in Coz, all the boats are looking for divers, unlike around here where most of them are just tooling around on the water, not watching for anything other than the harbor police.

Yup. Experience can tell me pretty closely what I will need for an ascent.

What method do you use to prevent yourself from getting distracted and forgetting to monitor your air and time? At that level, I haven't seen anything different in your planning from anybody else's. If either of you get distracted and forget to monitor whatever data it is that you use to turn...

Given that you have only 8 dives, there's a very good chance that your limiting factor will be air, rather than NDL, unless you're renting big tanks.

Salt water is a lot safer for wounds than fresh water is...

Certainly some chiros are quacks, but I wouldn't go so far as to say "most".

Yes, I didn't mention that I set the weights down and carry them separately up the hill to the car.

I generally take my weights out before I take off my BC (if I'm going to take them off at all), so in that case, the motion is the same.

It's unlikely you'd lose your contacts. I wear them too, and I close my eyes while I'm actually removing the mask, but then open them for the rest of the procedure, and have never lost one (I suppose there's always a first time, though!). I just try to keep my eyes closed while there is a...

I attended a briefing for potential Navy divers last year, and was told that having a civilian diving cert would likely make the course harder, not easier, because you will have to unlearn some skills and habits. The real priority has to be your physical fitness and mental toughness. Nothing...

Yup, works great. When I had a poorly-fitting mask, I never had fogging issues since there was always water in the mask. Once I found a mask that didn't leak, I often found it easier to let water in to get rid of the fog, than it was to keep it from fogging in the first place.

I can't recall the last time I pulled out my weights while under water, but do it all the time on the beach, to lighten my load while walking back to the car.

I'll take my reg out when I'm floating on the surface waiting, but put it back in my mouth before climbing the ladder on the boat, or walking through the surf zone on a shore dive if there's any significant surf.

I had my doubts about Chiro's too, but one did wonders for me last year when I had a 4mm anterolisthesis of L5. He refused to do anything until I had xrays, but once he saw them, I was enormously better in 3 visits over 1 week, after being in agony for 3 wks.

Did you try 5 or 5.5 kg? I normally vary my weights by 1 lb (.5 kg) at a time until I get them right. Wait until you need a 7mm suit and a hood! When I started using my full cold water gear setup, I found I needed 20 lb (a little over 9kg, I think). And a fair amount of air in the BC early...

Yes, you will be able to get more air out of the tank as you ascend.